chore(NODE-6622): pin npm version for node 18 to 10

Author: nbbeeken

.evergreen/ci_matrix_constants.js

@@ -1,7 +1,7 @@
 const MONGODB_VERSIONS = ['latest', 'rapid', '8.0', '7.0', '6.0', '5.0', '4.4', '4.2', '4.0'];
 const versions = [
   { codeName: 'gallium', versionNumber: 16, npmVersion: 9 },
-  { codeName: 'hydrogen', versionNumber: 18, npmVersion: 'latest' },
+  { codeName: 'hydrogen', versionNumber: 18, npmVersion: 10 },
   { codeName: 'iron', versionNumber: 20, npmVersion: 'latest' },
   { codeName: 'jod', versionNumber: 22, npmVersion: 'latest' },
 ];

.evergreen/config.yml

@@ -3581,7 +3581,7 @@ tasks:
         params:
           updates:
             - {key: NODE_LTS_VERSION, value: '18'}
-            - {key: NPM_VERSION, value: latest}
+            - {key: NPM_VERSION, value: '10'}
       - func: install dependencies
       - func: run unit tests
   - name: run-unit-tests-node-20

.evergreen/generate_evergreen_tasks.js

@@ -416,7 +416,7 @@ for (const {
     const nodeLtsDisplayName = `Node${NODE_LTS_VERSION}`;
     const name = `${osName}-${NODE_LTS_VERSION >= 20 ? nodeLtsDisplayName : nodeLTSCodeName}`;
     const display_name = `${osDisplayName} ${nodeLtsDisplayName}`;
-    const expansions = { NODE_LTS_VERSION, NPM_VERSION: NODE_LTS_VERSION === 16 ? 9 : 'latest' };
+    const expansions = { NODE_LTS_VERSION, NPM_VERSION: NODE_LTS_VERSION === 16 ? 9 : NODE_LTS_VERSION === 18 ? 10 : 'latest' };
     const taskNames = tasks.map(({ name }) => name);
 
     if (clientEncryption) {

.evergreen/install-dependencies.sh

@@ -9,9 +9,12 @@ export NODE_LTS_VERSION=${NODE_LTS_VERSION:-16}
 # npm version can be defined in the environment for cases where we need to install
 # a version lower than latest to support EOL Node versions.
 
-# If NODE_LTS_VERSION is numeric and less than 18, default to 9. Do not override if it is already set.
+# If NODE_LTS_VERSION is numeric and less than 18, default to 9, if less than 20, default to 10.
+# Do not override if it is already set.
 if [[ "$NODE_LTS_VERSION" =~ ^[0-9]+$ && "$NODE_LTS_VERSION" -lt 18 ]]; then
     export NPM_VERSION=${NPM_VERSION:-9}
+elif [[ "$NODE_LTS_VERSION" =~ ^[0-9]+$ && "$NODE_LTS_VERSION" -lt 20 ]]; then
+    export NPM_VERSION=${NPM_VERSION:-10}
 else
     export NPM_VERSION=${NPM_VERSION:-latest}
 fi