I had made several commits to this site and never experienced any issue like this.
Site: https://waldbaden.netlify.app/
Latest deploy log: Netlify App
11:10:26 PM: build-image version: beb3f7b3d6069b85aae18cfa809c6c904c169629 (focal)
11:10:26 PM: buildbot version: 68b5b5b59af187aaf0b0e6ace7052ee0b5055e3d
11:10:26 PM: Fetching cached dependencies
11:10:26 PM: Starting to download cache of 119.0MB
11:10:27 PM: Finished downloading cache in 1.347s
11:10:27 PM: Starting to extract cache
11:10:28 PM: Finished extracting cache in 1.104s
11:10:28 PM: Finished fetching cache in 2.515s
11:10:28 PM: Starting to prepare the repo for build
11:10:29 PM: Preparing Git Reference refs/heads/main
11:10:30 PM: Starting to install dependencies
11:10:30 PM: Python version set to 3.8
11:10:31 PM: Attempting Ruby version 2.7.2, read from environment
11:10:31 PM: Using Ruby version 2.7.2
11:10:32 PM: Started restoring cached go cache
11:10:32 PM: Finished restoring cached go cache
11:10:32 PM: go version go1.19.11 linux/amd64
11:10:32 PM: Using PHP version 8.0
11:10:33 PM: Started restoring cached Node.js version
11:10:33 PM: Finished restoring cached Node.js version
11:10:34 PM: Downloading and installing node v18.17.0...
11:10:34 PM: Downloading https://nodejs.org/dist/v18.17.0/node-v18.17.0-linux-x64.tar.xz...
11:10:34 PM: Computing checksum with sha256sum
11:10:34 PM: Checksums matched!
11:10:37 PM: Now using node v18.17.0 (npm v9.6.7)
11:10:37 PM: Enabling Node.js Corepack
11:10:37 PM: Started restoring cached build plugins
11:10:37 PM: Finished restoring cached build plugins
11:10:37 PM: Started restoring cached corepack dependencies
11:10:37 PM: Finished restoring cached corepack dependencies
11:10:37 PM: No npm workspaces detected
11:10:37 PM: Started restoring cached node modules
11:10:37 PM: Finished restoring cached node modules
11:10:37 PM: Installing npm packages using npm version 9.6.7
11:10:48 PM: Failed during stage 'Install dependencies': dependency_installation script returned non-zero exit code: 1
11:10:48 PM: npm ERR! Cannot read properties of null (reading 'matches')
11:10:48 PM: npm ERR! A complete log of this run can be found in: /opt/buildhome/.npm/_logs/2023-07-19T17_40_37_613Z-debug-0.log
11:10:48 PM: Error during npm install
11:10:48 PM: Build was terminated: dependency_installation script returned non-zero exit code: 1
11:10:48 PM: Failing build: Failed to install dependencies