Fix compilation issues with TypeScript 5.1. (#6502)

Add @ts-ignore annotations for TS 5.1 errors

Details about TypeScript 5.1 can be found in
https://devblogs.microsoft.com/typescript/announcing-typescript-5-1/

@ts-ignore suppresses the new TS compiler errors without making any
change to the code's runtime behavior.

Googlers, see cl/548812150 for context.

Author: rahul-kamat

tensorboard/plugins/graph/tf_graph_controls/tf-graph-controls.ts

@@ -1340,19 +1340,31 @@ class TfGraphControls extends LegacyElementMixin(
     let minValue = params.minValue;
     let maxValue = params.maxValue;
     if (colorBy === ColorBy.MEMORY) {
+      // TODO: go/ts51upgrade - Auto-added to unblock TS5.1 migration.
+      //   TS2322: Type 'string' is not assignable to type 'number'.
+      // @ts-ignore
       minValue = tf_graph_util.convertUnitsToHumanReadable(
         minValue,
         tf_graph_util.MEMORY_UNITS
       );
+      // TODO: go/ts51upgrade - Auto-added to unblock TS5.1 migration.
+      //   TS2322: Type 'string' is not assignable to type 'number'.
+      // @ts-ignore
       maxValue = tf_graph_util.convertUnitsToHumanReadable(
         maxValue,
         tf_graph_util.MEMORY_UNITS
       );
     } else if (colorBy === ColorBy.COMPUTE_TIME) {
+      // TODO: go/ts51upgrade - Auto-added to unblock TS5.1 migration.
+      //   TS2322: Type 'string' is not assignable to type 'number'.
+      // @ts-ignore
       minValue = tf_graph_util.convertUnitsToHumanReadable(
         minValue,
         tf_graph_util.TIME_UNITS
       );
+      // TODO: go/ts51upgrade - Auto-added to unblock TS5.1 migration.
+      //   TS2322: Type 'string' is not assignable to type 'number'.
+      // @ts-ignore
       maxValue = tf_graph_util.convertUnitsToHumanReadable(
         maxValue,
         tf_graph_util.TIME_UNITS