Rename actions folder as scripts

It's clearer this way.

.github/workflows/create-release-artifacts.yaml

@@ -99,7 +99,7 @@ jobs:
       - name: Install deps
         shell: bash
         run: |
-          ./.github/actions/install_deps.sh macos-latest
+          ./.github/scripts/install_deps.sh macos-latest
       # We force linking libpng statically; the other libs are provided by macOS itself
       - name: Build binaries
         run: |
@@ -107,7 +107,7 @@ jobs:
           make -j WARNFLAGS="-Wall -Wextra -mmacosx-version-min=10.9" PKG_CONFIG="pkg-config --static" PNGLDLIBS="$(pkg-config --static --libs-only-L libpng | cut -c 3-)/libpng.a $(pkg-config --static --libs-only-l libpng | sed s/-lpng[0-9]*//g)" Q=
       - name: Package binaries
         run: |
-          zip --junk-paths rgbds-${{ env.version }}-macos-x86-64.zip rgb{asm,link,fix,gfx} man/* .github/actions/install.sh
+          zip --junk-paths rgbds-${{ env.version }}-macos-x86-64.zip rgb{asm,link,fix,gfx} man/* .github/scripts/install.sh
       - name: Upload macOS binaries
         uses: actions/upload-artifact@v3
         with:

.github/workflows/testing.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Install deps
         shell: bash
         run: |
-          ./.github/actions/install_deps.sh ${{ matrix.os }}
+          ./.github/scripts/install_deps.sh ${{ matrix.os }}
       # The `export` lines are to allow working on macOS...
       # Apple's base version is severely outdated, not even supporting -Wall,
       # but it overrides Homebrew's version nonetheless...
@@ -166,13 +166,13 @@ jobs:
       - name: Install deps
         shell: bash
         run: |
-          ./.github/actions/install_deps.sh ${{ matrix.os }}
+          ./.github/scripts/install_deps.sh ${{ matrix.os }}
       - name: Install MinGW
         run: | # dpkg-dev is apparently required for pkg-config for cross-building
           sudo apt-get install {gcc,g++}-mingw-w64-${{ matrix.arch }}-win32 mingw-w64-tools libz-mingw-w64-dev dpkg-dev
       - name: Install libpng dev headers for MinGW
         run: |
-          sudo ./.github/actions/mingw-w64-libpng-dev.sh ${{ matrix.triplet }}
+          sudo ./.github/scripts/mingw-w64-libpng-dev.sh ${{ matrix.triplet }}
       - name: Cross-build Windows binaries
         run: |
           make mingw${{ matrix.bits }} -j Q=