CI - Fix v8 in debug and release (#4223)

# Description of Changes

#4209 changed our v8
patch to fix release builds.. but it turns out that the csharp-testsuite
uses both debug _and_ release builds.

# API and ABI breaking changes

None. CI only.

# Expected complexity level and risk

1

# Testing
I dunno mannnn

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

Author: bfops

.github/workflows/ci.yml

@@ -849,6 +849,12 @@ jobs:
       # However, we've been unable to fix it so... /shrug
       - name: Check v8 outputs
         run: |
+          find "${CARGO_TARGET_DIR}"/ -type f | grep '[/_]v8' || true
+          if ! [ -f "${CARGO_TARGET_DIR}"/debug/gn_out/obj/librusty_v8.a ]; then
+            echo "Could not find v8 output file librusty_v8.a; rebuilding manually."
+            cargo clean -p v8 || true
+            cargo build -p v8
+          fi
           find "${CARGO_TARGET_DIR}"/ -type f | grep '[/_]v8' || true
           if ! [ -f "${CARGO_TARGET_DIR}"/release/gn_out/obj/librusty_v8.a ]; then
             echo "Could not find v8 output file librusty_v8.a; rebuilding manually."