fixup postinstall by running patch-package as a dep

[talentlessguy]

finally fixes post-install when installing as a 3rd party dep

this is needed for the manager app to be able to use new contracts. Rn installation fails in certain cases with this cryptic error:

15 silly packumentCache heap:4345298944 maxSize:1086324736 maxEntrySize:543162368
16 verbose stack Error: ENOENT: no such file or directory, lstat '/home/v1rtl/Coding/ens/ens-app-v3/lib'
16 verbose stack     at async lstat (node:internal/fs/promises:1023:18)
16 verbose stack     at async #loadActual (/home/v1rtl/.local/share/fnm/node-versions/v22.5.1/installation/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/arborist/load-actual.js:112:20)
16 verbose stack     at async exec (/home/v1rtl/.local/share/fnm/node-versions/v22.5.1/installation/lib/node_modules/npm/node_modules/libnpmexec/lib/index.js:207:26)
16 verbose stack     at async Npm.exec (/home/v1rtl/.local/share/fnm/node-versions/v22.5.1/installation/lib/node_modules/npm/lib/npm.js:207:9)
16 verbose stack     at async module.exports (/home/v1rtl/.local/share/fnm/node-versions/v22.5.1/installation/lib/node_modules/npm/lib/cli/entry.js:74:5)
17 error code ENOENT
18 error syscall lstat
19 error path /home/v1rtl/Coding/ens/ens-app-v3/lib
20 error errno -2
21 error enoent ENOENT: no such file or directory, lstat '/home/v1rtl/Coding/ens/ens-app-v3/lib'
22 error enoent This is related to npm not being able to find a file.
22 error enoent

this PR fixes it (hopefully)