chore: upgrade projen (#89)

Author: Elad Ben-Israel

.github/workflows/build.yml

@@ -58,7 +58,7 @@
     },
     {
       "name": "projen",
-      "version": "^0.17.95",
+      "version": "^0.18.1",
       "type": "build"
     },
     {

.github/workflows/release.yml

@@ -156,6 +156,9 @@
         {
           "exec": "npm-check-updates --upgrade --target=minor --reject='projen'"
         },
+        {
+          "exec": "yarn install --check-files"
+        },
         {
           "exec": "npx projen"
         }
@@ -170,6 +173,9 @@
         {
           "exec": "npm-check-updates --upgrade --target=minor --filter='projen'"
         },
+        {
+          "exec": "yarn install --check-files"
+        },
         {
           "exec": "npx projen"
         }