upgrade to rust 1.88

Author: ryansmith3136

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         name: Install rust
         with:
-          toolchain: 1.83.0
+          toolchain: 1.88.0
       - uses: Swatinem/rust-cache@v2
       - name: Run initial test to setup PG
         run: cargo test -p shared --features test
@@ -28,7 +28,7 @@ jobs:
           sudo apt install -y build-essential pkg-config libssl-dev postgresql-server-dev-17
       - name: Install pgrx
         run: >
-          cargo install --locked cargo-pgrx --version="0.12.9" &&
+          cargo install --locked cargo-pgrx --version="0.15.0" &&
           cargo pgrx init --pg17 /tmp/golden-axe-pg-test/install/postgresql-17.2.0-x86_64-unknown-linux-gnu/bin/pg_config
       - name: Install PG extension
         run: >