fix: STRF-11523 Enable dynamic partials

[jairo-bc]

What?

Fixed regex that allows to add partials with syntax {{#> components/ul }}

Tickets / Documentation

• STRF-11523

Screenshots (if appropriate)

QA Steps:

1. Get ready to run stencil start (load theme locally, stencil init, etc.)
2. Run stencil start
3. Create a similiar structure of components like [here](https://github.com/bigcommerce/stencil-cli/blob/master/test/_mocks/themes/valid/templates/components/c.html, here, here and here
4. Observe that list successfully rendered in the browser

cc @bigcommerce/storefront-team

[jmwiese]

LGTM

[bc-max]

@jairo-bc I see this error in a terminal when running stencil locally (node 20):

Error: The following template(s) are/is missing: 
components/li
components/li
components/li
components/ul
    at file:///.../stencil-cli/lib/template-assembler.js:121:17
    at wrapper (/.../stencil-cli/node_modules/async/dist/async.js:272:20)
    at iteratorCallback (/.../stencil-cli/node_modules/async/dist/async.js:502:17)
    at /.../stencil-cli/node_modules/async/dist/async.js:328:20
    at wrapper (/.../stencil-cli/node_modules/async/dist/async.js:272:20)
    at iteratorCallback (/.../stencil-cli/node_modules/async/dist/async.js:502:17)
    at /.../stencil-cli/node_modules/async/dist/async.js:328:20
    at ReadFileContext.<anonymous> (file:///.../stencil-cli/lib/template-assembler.js:139:17)
    at ReadFileContext.callback (/.../stencil-cli/node_modules/graceful-fs/graceful-fs.js:123:16)
    at FSReqCallback.readFileAfterOpen [as oncomplete] (node:fs:299:13)

[jairo-bc]

@bc-max did you create it? I just updated the description for all necessary components to have

[bc-max]

LGTM 💚