fix(build): update NPM to resolve postcss issue (#694)

`npm update` fixed broken development which logged:

>  postcss: Error: Loading PostCSS Plugin failed: Cannot find module '../lightningcss.linux-x64-gnu.node

exampleSite/hugo_stats.json

@@ -2,6 +2,7 @@
   "htmlElements": {
     "tags": [
       "a",
+      "annotation",
       "article",
       "aside",
       "blockquote",
@@ -34,13 +35,31 @@
       "li",
       "link",
       "main",
+      "math",
       "meta",
+      "mfrac",
+      "mi",
+      "mn",
+      "mo",
+      "mover",
+      "mpadded",
+      "mphantom",
+      "mrow",
+      "mstyle",
+      "msub",
+      "msubsup",
+      "msup",
+      "mtable",
+      "mtd",
+      "mtext",
+      "mtr",
       "nav",
       "ol",
       "p",
       "path",
       "pre",
       "script",
+      "semantics",
       "span",
       "strong",
       "style",
@@ -64,14 +83,21 @@
       "[counter-reset:step]",
       "[hyphens:auto]",
       "[word-break:break-word]",
+      "base",
       "chroma",
+      "col-align-l",
+      "col-align-r",
       "content",
       "copy-icon",
       "dataframe",
+      "delimcenter",
+      "delimsizing",
       "filename",
+      "fix",
       "footnote-backref",
       "footnote-ref",
       "footnotes",
+      "frac-line",
       "hamburger-menu",
       "hextra-badge",
       "hextra-card",
@@ -92,12 +118,16 @@
       "hextra-jupyter-code-cell",
       "hextra-jupyter-code-cell-outputs",
       "hextra-jupyter-code-cell-outputs-container",
+      "hextra-max-footer-width",
+      "hextra-max-navbar-width",
+      "hextra-max-page-width",
       "hextra-pdf",
       "hextra-scrollbar",
       "hextra-sidebar-collapsible-button",
       "hextra-tabs-panel",
       "hextra-tabs-toggle",
       "hextra-toc",
+      "hide-tail",
       "highlight",
       "hx:-mb-0.5",
       "hx:-ml-2",
@@ -391,6 +421,7 @@
       "hx:ltr:rotate-180",
       "hx:ltr:text-right",
       "hx:m-[11px]",
+      "hx:max-h-(--menu-height)",
       "hx:max-h-64",
       "hx:max-h-[calc(100vh-var(--navbar-height)-env(safe-area-inset-bottom))]",
       "hx:max-h-[min(calc(50vh-11rem-env(safe-area-inset-bottom)),400px)]",
@@ -404,7 +435,6 @@
       "hx:max-w-[90rem]",
       "hx:max-w-[min(calc(100vw-2rem),calc(100%+20rem))]",
       "hx:max-w-none",
-      "hx:max-w-screen-xl",
       "hx:max-xl:hidden",
       "hx:mb-10",
       "hx:mb-12",
@@ -618,25 +648,66 @@
       "hx:z-20",
       "hx:z-[-1]",
       "icon",
+      "inner",
+      "katex",
+      "katex-display",
+      "katex-html",
+      "katex-mathml",
       "language-options",
       "language-switcher",
+      "large-op",
       "lntable",
       "lntd",
+      "mathbf",
+      "mathnormal",
+      "mathrm",
+      "mbin",
+      "mclose",
       "mermaid",
+      "mfrac",
+      "minner",
+      "mop",
+      "mopen",
+      "mord",
+      "mrel",
+      "mspace",
+      "msupsub",
+      "mtable",
+      "mtight",
       "nav-container",
       "nav-container-blur",
       "next-error-h1",
       "not-prose",
+      "nulldelimiter",
+      "op-symbol",
       "open",
+      "pstrut",
+      "reset-size3",
+      "reset-size6",
+      "rlap",
       "search-input",
       "search-results",
       "search-wrapper",
       "sidebar-active-item",
       "sidebar-container",
+      "size1",
+      "size3",
+      "sizing",
       "steps",
+      "strut",
       "subheading-anchor",
       "success-icon",
-      "theme-toggle"
+      "svg-align",
+      "text",
+      "textrm",
+      "theme-toggle",
+      "vlist",
+      "vlist-r",
+      "vlist-s",
+      "vlist-t",
+      "vlist-t2",
+      "x-arrow",
+      "x-arrow-pad"
     ],
     "ids": null
   }