[ci] Bin FontTools version due to recent COLRv1 changes

Should be reverted once HarfBuzz updated to match FontTools.
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 85921fa..7e29e41 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -29,7 +29,7 @@
     steps:
       - checkout
       - run: sudo apt update && DEBIAN_FRONTEND=noninteractive sudo apt install -y git ninja-build binutils libtool autoconf automake make gcc g++ pkg-config ragel gtk-doc-tools gobject-introspection libfreetype6-dev libglib2.0-dev libgirepository1.0-dev libcairo2-dev libicu-dev libgraphite2-dev python3 python3-pip
-      - run: pip3 install fonttools meson --upgrade
+      - run: pip3 install fonttools==4.25.1 meson --upgrade
       - run: ./autogen.sh
       - run: make -j2 distcheck
       - run: rm harfbuzz-* && make distdir
@@ -76,7 +76,7 @@
     steps:
       - checkout
       - run: pacman --noconfirm -Syu freetype2 meson git clang cairo icu gettext gobject-introspection gcc gcc-libs glib2 graphite pkg-config ragel python python-pip base-devel gtk-doc
-      - run: pip install flake8 fonttools
+      - run: pip install flake8 fonttools==4.25.1
       - run: flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics
       - run: meson build -Dgraphite=enabled -Dauto_features=enabled -Dexperimental_api=true
       - run: meson compile -Cbuild -j9
diff --git a/.github/workflows/linux-ci.yml b/.github/workflows/linux-ci.yml
index 407d214..4a91eb7 100644
--- a/.github/workflows/linux-ci.yml
+++ b/.github/workflows/linux-ci.yml
@@ -14,7 +14,7 @@
     - uses: actions/checkout@v2
     - name: install dependencies
       run: sudo apt-get install pkg-config gcc ragel gcovr gtk-doc-tools libfreetype6-dev libglib2.0-dev libcairo2-dev libicu-dev libgraphite2-dev python3 python3-setuptools ninja-build gobject-introspection libgirepository1.0-dev
-    - run: sudo pip3 install fonttools meson==0.47.0
+    - run: sudo pip3 install fonttools==4.25.1 meson==0.47.0
     - name: run
       run: meson build -Db_coverage=true --auto-features=enabled -Dgraphite=enabled -Dchafa=disabled -Doptimization=2
     - name: ci
diff --git a/.github/workflows/macos-ci.yml b/.github/workflows/macos-ci.yml
index 84e54df..5009c05 100644
--- a/.github/workflows/macos-ci.yml
+++ b/.github/workflows/macos-ci.yml
@@ -14,7 +14,7 @@
     - uses: actions/checkout@v2
     - name: install dependencies
       run: HOMEBREW_NO_AUTO_UPDATE=1 brew install pkg-config freetype glib cairo icu4c graphite2 gobject-introspection gtk-doc ninja gcovr
-    - run: pip3 install meson fonttools --upgrade
+    - run: pip3 install meson fonttools==4.25.1 --upgrade
     - name: run
       run: PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig:/usr/local/opt/libffi/lib/pkgconfig" meson build -Db_coverage=true -Dcoretext=enabled -Dgraphite=enabled -Dauto_features=enabled -Dchafa=disabled -Doptimization=2
     - name: ci
diff --git a/.github/workflows/msvc-ci.yml b/.github/workflows/msvc-ci.yml
index 7c9f5bc..dc6fdde 100644
--- a/.github/workflows/msvc-ci.yml
+++ b/.github/workflows/msvc-ci.yml
@@ -32,7 +32,7 @@
           arch : ${{ matrix.ARCH }}
       - name: Install Dependencies
         run: |
-          pip install --upgrade meson ninja fonttools
+          pip install --upgrade meson ninja fonttools==4.25.1
       - name: Build
         run: |
           # This dir contains a pkg-config which meson will happily use and later fail, so remove it
diff --git a/.github/workflows/msys2-ci.yml b/.github/workflows/msys2-ci.yml
index b8b2fc3..4cd7990 100644
--- a/.github/workflows/msys2-ci.yml
+++ b/.github/workflows/msys2-ci.yml
@@ -46,7 +46,7 @@
             mingw-w64-${{ matrix.MSYS2_ARCH }}-ragel
       - name: Install Python Dependencies
         run: |
-          pip install --upgrade fonttools
+          pip install --upgrade fonttools==4.25.1
       - name: Build
         run: |
           meson build \