Install Solana in CI for Anchor IDL checks

.changeset/strange-news-pretend.md

@@ -0,0 +1,5 @@
+---
+"create-solana-program": patch
+---
+
+Install Solana in CI for Anchor IDL checks

template/base/.github/workflows/main.yml.njk

@@ -147,6 +147,7 @@ jobs:
           cargo-cache-local-key: cargo-local
           node: {% raw %}${{ env.NODE_VERSION }}{% endraw %}
 {% if programFramework === 'anchor' %}
+          solana: {% raw %}${{ env.SOLANA_VERSION }}{% endraw %}
           anchor: {% raw %}${{ env.ANCHOR_VERSION }}{% endraw %}
 {% endif %}