fix: installing latest version of pnpm (#41)

* fix: installing latest version of pnpm

* update checksums

Author: zkochan

SHASUMS256.txt

@@ -4,5 +4,5 @@ d6e6538b8fa1147a58efac1ed2bf7f3311aecd5d8e1b11c0070794a5c5b151d8  v6.6.js
 c80817f1dac65ee497fc8ca0b533e497aacfbf951a917ff4652825710bbacda7  v6.14.js
 675896fe510fe86a6c4812c46334aafe789a05dd60652cca768b78971ca2b906  v6.16.js
 be155eed896aa8c7900352c2b28640bcbace13171ec632b0e29f0ac94e5b27d1  v6.32.js
-8e925728fdb662c902d59116fe167412ae743a0c247bc25aa410093c02ce52db  install.sh
+4f9717b041ea25392f415002e2641c917e122ce1e752117188ee8867ac859aa5  install.sh
 fac0ced691e2f85e2a1e3ba413aa7ec8fad0e8b54ff1e151a96be58665ead69f  install.ps1

SHASUMS256.txt.sig

@@ -86,7 +86,7 @@ download_and_install() {
   arch="$(detect_arch)" || abort "Sorry! pnpm currently only provides pre-built binaries for x86_64/arm64 architectures."
   if [ -z "${PNPM_VERSION}" ]; then
     version_json="$(download "https://registry.npmjs.org/@pnpm/exe")" || abort "Download Error!"
-    version="$(printf '%s' "${version_json}" | tr '{' '\n' | awk -F '"' '/latest/ { print $4 }')"
+    version="$(echo "$version_json" | grep -o '"latest":[[:space:]]*"[0-9.]*"' | grep -o '[0-9.]*')"
   else
     version="${PNPM_VERSION}"
   fi