ci: removes the uneeded step "install git"

This takes in two u64, and returns the difference.

TESTING WORKFLOWS

.cargo/config.toml

@@ -1,2 +1,2 @@
 [registries.gitea]
-index = "sparse+https://gitea.example.com/api/packages/crates/cargo/" 
+index = "sparse+https://gitea.melfely.com/api/packages/crates/cargo/" 

.gitea/workflows/release-plz.yml

@@ -0,0 +1,84 @@
+name: Release-plz
+
+on:
+  push:
+# Comment out branch restrictions until we are closer to done
+#    branches:
+#      - [main, master]
+
+jobs:
+
+  # Release unpublished packages.
+  release-plz-release:
+    name: Release-plz release
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      pull-requests: read
+
+    steps:
+
+      - &setup-git-user
+        name: Config Git User
+        run: |
+          git config --global user.name "ci-bot"
+          git config --global user.email "bot@email.melfely.com"
+
+      - &checkout
+        name: Checkout repository
+        uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - &install-rust
+        name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        
+      - &install-cargo-semver
+        name: Install Cargo SemVer Checks
+        uses: taiki-e/install-action@fa23953489c080190314742a9b907f8e97c6767c # v2.87.10
+        with:
+          tool: cargo-semver-checks
+
+      - &install-release-plz
+        name: Install release-plz
+        uses: taiki-e/install-action@fa23953489c080190314742a9b907f8e97c6767c # v2.87.10
+        with:
+          tool: release-plz
+
+      
+
+      - name: Run release-plz release
+        run: |
+          release-plz release --forge gitea --git-token ${{ secrets.GITEA_TOKEN }} --registry gitea --token "Bearer ${{ secrets.CARGO_REGISTRIES_GITEA_TOKEN }}"       
+
+  # Create a PR with the new versions and changelog, preparing the next releases
+  release-plz-pr:
+    name: Release-plz PR
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: write
+      pull-requests: write
+
+    concurrency:
+      group: release-plz-${{ github.ref }}
+      cancel-in-progress: false
+
+    steps:
+      - *setup-git-user
+      - *checkout
+      - *install-rust
+      - *install-cargo-semver
+      - *install-release-plz
+
+      - name: Fill Credentials
+        run: |
+          git config --global credential.helper store
+          echo "https://ci-bot:${{ secret.GITEA_TOKEN }}@gitea.melfely.com" > ~/.git-credentials
+
+      - name: Run release-plz release-pr
+        run: |
+          release-plz release-pr --forge gitea --git-token ${{ secrets.GITEA_TOKEN }} --registry gitea 

example_lib/src/lib.rs

@@ -2,6 +2,10 @@ pub fn add(left: u64, right: u64) -> u64 {
     left + right
 }
 
+pub fn sub(left: u64, right: u64) -> u64 {
+    left - right
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -10,5 +14,7 @@ mod tests {
     fn it_works() {
         let result = add(2, 2);
         assert_eq!(result, 4);
+        let result = sub(2, 2);
+        assert_eq!(result, 0);
     }
 }