Move published release installation test to new workflow

So that it can be triggered from the `release` workflow (as they
have been since GitoxideLabs#1555), as well as directly.

This is to make it easier to run or rerun the published crate
installation tests, as well as any future such tests that may be
added, without having to run jobs that are involved in making the
release.

Author: EliahKagan

.github/workflows/release-check.yml

@@ -0,0 +1,47 @@
+name: Test published release
+
+on: [ workflow_call, workflow_dispatch ]
+
+permissions:
+  contents: read
+
+jobs:
+  installation:
+    strategy:
+      matrix:
+        build: [ win-msvc, win-gnu, win32-msvc, win32-gnu ]
+        include:
+          - build: win-msvc
+            os: windows-latest
+            rust: stable
+            target: x86_64-pc-windows-msvc
+          - build: win-gnu
+            os: windows-latest
+            rust: stable-x86_64-gnu
+            target: x86_64-pc-windows-gnu
+          - build: win32-msvc
+            os: windows-latest
+            rust: stable
+            target: i686-pc-windows-msvc
+          - build: win32-gnu
+            os: windows-latest
+            rust: stable
+            target: i686-pc-windows-gnu
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+          targets: ${{ matrix.target }}
+      - uses: msys2/setup-msys2@v2
+        with:
+          msystem: MINGW${{ startsWith(matrix.target, 'i686-') && '32' || '64' }}
+          pacboy: cc:p
+          path-type: inherit
+      - name: 'Installation from crates.io: gitoxide'
+        run: cargo +${{ matrix.rust }} install --target ${{ matrix.target }} --no-default-features --features max-pure --target-dir install-artifacts --debug --force gitoxide
+        shell: msys2 {0}

.github/workflows/release.yml

@@ -505,41 +505,4 @@ jobs:
           }' -F discussionId="$DISCUSSION_ID" -F body="$comment_body"
 
   installation:
-    strategy:
-      matrix:
-        build: [ win-msvc, win-gnu, win32-msvc, win32-gnu ]
-        include:
-          - build: win-msvc
-            os: windows-latest
-            rust: stable
-            target: x86_64-pc-windows-msvc
-          - build: win-gnu
-            os: windows-latest
-            rust: stable-x86_64-gnu
-            target: x86_64-pc-windows-gnu
-          - build: win32-msvc
-            os: windows-latest
-            rust: stable
-            target: i686-pc-windows-msvc
-          - build: win32-gnu
-            os: windows-latest
-            rust: stable
-            target: i686-pc-windows-gnu
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        uses: dtolnay/rust-toolchain@master
-        with:
-          toolchain: ${{ matrix.rust }}
-          targets: ${{ matrix.target }}
-      - uses: msys2/setup-msys2@v2
-        with:
-          msystem: MINGW${{ startsWith(matrix.target, 'i686-') && '32' || '64' }}
-          pacboy: cc:p
-          path-type: inherit
-      - name: 'Installation from crates.io: gitoxide'
-        run: cargo +${{ matrix.rust }} install --target ${{ matrix.target }} --no-default-features --features max-pure --target-dir install-artifacts --debug --force gitoxide
-        shell: msys2 {0}
+    uses: ./.github/workflows/release-check.yml